Nature Physics, Published online: 06 May 2025; doi:10.1038/s41567-025-02872-2
Muons are conventionally produced from cosmic rays or with a proton accelerator. Now a proof-of-principle experiment demonstrates the feasibility of muon production with a laser-driven electron beam with gigaelectronvolt energy in a lead converter target.
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- Proof-of-principle demonstration of muon production with an ultrashort high-intensity laser
- Fractional charges under the microscopeNature Physics, Published online: 06 May 2025; doi:10.1038/s41567-025-02909-6 Fractionalized excitations typically require ultra-clean materials at low temperature and high magnetic field to emerge. Experiments on a simple graphene platform now reveal ideal conditions for the visualization of these fragile collective states.
- Electron–phonon coupling resolved by phonon mode and electron energyNature Physics, Published online: 06 May 2025; doi:10.1038/s41567-025-02863-3 A two-dimensional spectroscopic technique to probe the strength of electron–phonon coupling has the capability to simultaneously resolve the phonon mode and the electron transition energy — and is bringing fresh insight into the complex interactions of phonons and electrons in a range of materials.
- Robust and resource-optimal dynamic pattern formation of Min proteins in vivoNature Physics, Published online: 05 May 2025; doi:10.1038/s41567-025-02878-w Oscillatory Min protein patterns prevent abnormal bacterial cell division. Now it is shown that Min pattern formation is resource efficient and involves wavelength-invariant oscillations that are robust to physiological changes.
- Synthetic cells get into shapeNature Physics, Published online: 05 May 2025; doi:10.1038/s41567-025-02906-9 Shape changes in biological cells are driven by an active network of biopolymers. Now, similar deformations are observed in synthetic cell membranes.
- Outside-in regulation of cellular clocksNature Physics, Published online: 05 May 2025; doi:10.1038/s41567-025-02882-0 Circadian clocks and cell division cycles are coupled. Now a study shows how cell-to-cell synchronization of circadian rhythms regulates cell division and growth.
- Strongly interacting Meissner phases in large bosonic flux laddersNature Physics, Published online: 02 May 2025; doi:10.1038/s41567-025-02890-0 The quantum simulation of driven, strongly correlated phases at large scales is challenging, primarily due to detrimental heating effects. Now, a large-scale interacting Mott–Meissner phase has been realized in a neutral atom quantum simulator.
- Observation of the diffusive Nambu–Goldstone mode of a non-equilibrium phase transitionNature Physics, Published online: 02 May 2025; doi:10.1038/s41567-025-02902-z Gapless modes emerging from non-equilibrium phase transitions are predicted to diffuse rather than propagate as sound waves. Now, the diffusion of these modes and their suppression under symmetry breaking are confirmed in a polariton condensate.
